introduce prisma&psql

.env

@@ -0,0 +1 @@
+DATABASE_URL="postgresql://mk:mk@localhost:5432/postgres?schema=public"

.env.development

@@ -0,0 +1 @@
+

.env.production

@@ -0,0 +1 @@
+

.env.staging

@@ -0,0 +1 @@
+

.eslintrc.js

@@ -26,7 +26,6 @@ module.exports = {
     ], // asで型付けを禁止(type assertion禁止)
     '@typescript-eslint/consistent-type-definitions': ['error', 'type'], // interface禁止、typeのみ使用可
     '@typescript-eslint/dot-notation': ['error'], // objectのkeyを指定する時、できるだけドットを使用する
-    '@typescript-eslint/explicit-module-boundary-types': ['error'], // 関数の返り値の型と、関数内のreturnの型を一致させる
     '@typescript-eslint/lines-between-class-members': ['error'], // classのメンバに改行を強制
     '@typescript-eslint/member-ordering': ['error', { default: ['constructor', 'field', 'signature', 'method'] }], // classのメンバの宣言順を強制
     '@typescript-eslint/method-signature-style': ['error', 'property'], // functionの型をアロー関数で書く: func(arg: boolean): void -> func: (arg: boolean) => void
@@ -38,13 +37,13 @@ module.exports = {
     '@typescript-eslint/no-namespace': 'error', // namespace使用禁止
     '@typescript-eslint/no-shadow': ['error'], // スコープ外に存在する変数と同じ名前の変数を宣言するとエラー
     '@typescript-eslint/no-unnecessary-boolean-literal-compare': 'error', // boolean型の不要な比較を禁止（if(bool === true)など）
-    '@typescript-eslint/no-unnecessary-condition': 'error', // 不要なif文を禁止
+    '@typescript-eslint/no-unnecessary-condition': 'warn', // 不要なif文を禁止
     '@typescript-eslint/no-unused-vars': 'off',
     '@typescript-eslint/no-var-requires': 'off',
     '@typescript-eslint/prefer-for-of': 'error', // for(let i... でiを使用してない場合は for of を使うように強制
     '@typescript-eslint/prefer-includes': 'error', // indexOf使用禁止: includesを使う
     '@typescript-eslint/prefer-string-starts-ends-with': 'error', // 文字列が特定の文字列で開始するか終了するかを確認する時、startsWith/endsWithの使用を強制
-    '@typescript-eslint/strict-boolean-expressions': 'error', // booleanが予想されるif文での非booleanの使用を禁止する
+    '@typescript-eslint/strict-boolean-expressions': 'warn', // booleanが予想されるif文での非booleanの使用を禁止する
     '@typescript-eslint/typedef': [
       'error',
       {
@@ -63,13 +62,6 @@ module.exports = {
     'no-mixed-spaces-and-tabs': 'error', // インデントにタブと空白を混在させないこと
     'no-nested-ternary': 'error', // 3項演算子をネストさせないこと
     'no-proto': 'error', // __proto__ を使用しないこと
-    'no-restricted-syntax': [
-      'error',
-      {
-        selector: 'TSEnumDeclaration',
-        message: "Don't use `enum` as a type."
-      }
-    ], // enum禁止
     'no-trailing-spaces': 'error', // 行末に不要な空白を残さないこと
     'no-useless-concat': 'error', // 無駄な文字列結合は行わないこと
     'object-shorthand': 'error', // オブジェクト定義時にショートハンドが利用できる場合は利用すること

.gitignore

@@ -32,4 +32,4 @@ lerna-debug.log*
 !.vscode/settings.json
 !.vscode/tasks.json
 !.vscode/launch.json
-!.vscode/extensions.json
+!.vscode/extensions.json

nest-cli.json

@@ -1,5 +1,8 @@
 {
   "$schema": "https://json.schemastore.org/nest-cli",
   "collection": "@nestjs/schematics",
-  "sourceRoot": "src"
+  "sourceRoot": "src",
+  "compilerOptions": {
+    "plugins": ["@nestjs/graphql"]
+  }
 }

package.json

@@ -8,8 +8,7 @@
   "scripts": {
     "prebuild": "rimraf dist",
     "build": "nest build",
-    "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
-    "start": "nest start",
+    "format": "yarn lint && prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
     "start:dev": "NODE_ENV=development && nest start --watch",
     "start:debug": "nest start --debug --watch",
     "start:prod": "NODE_ENV=production && node dist/main",
@@ -18,18 +17,21 @@
     "test:watch": "jest --watch",
     "test:cov": "jest --coverage",
     "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
-    "test:e2e": "jest --config ./test/jest-e2e.json"
+    "test:e2e": "jest --config ./test/jest-e2e.json",
+    "generate": "prisma generate && yarn format"
   },
   "dependencies": {
     "@nestjs/apollo": "^10.0.17",
     "@nestjs/common": "^9.0.0",
     "@nestjs/core": "^9.0.0",
     "@nestjs/graphql": "^10.0.18",
     "@nestjs/platform-express": "^9.0.0",
+    "@prisma/client": "^4.0.0",
     "apollo-server-express": "^3.9.0",
     "dayjs": "^1.11.3",
     "graphql": "^16.5.0",
     "lint-staged": "^13.0.3",
+    "prisma": "^4.0.0",
     "reflect-metadata": "^0.1.13",
     "rimraf": "^3.0.2",
     "rxjs": "^7.2.0"
@@ -46,7 +48,9 @@
     "@typescript-eslint/parser": "^5.0.0",
     "eslint": "^8.0.1",
     "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-jest": "^26.5.3",
     "eslint-plugin-prettier": "^4.0.0",
+    "eslint-plugin-unused-imports": "^2.0.0",
     "jest": "28.1.2",
     "prettier": "^2.3.2",
     "source-map-support": "^0.5.20",
@@ -55,6 +59,7 @@
     "ts-loader": "^9.2.3",
     "ts-node": "^10.0.0",
     "tsconfig-paths": "4.0.0",
+    "typegraphql-prisma": "^0.21.0",
     "typescript": "^4.3.5"
   },
   "jest": {

prisma/migrations/20220712051537_init/migration.sql

@@ -0,0 +1,11 @@
+-- CreateTable
+CREATE TABLE "Users" (
+    "id" SERIAL NOT NULL,
+    "first_name" TEXT NOT NULL,
+    "last_name" TEXT NOT NULL,
+    "gender" TEXT,
+    "created_at" TEXT NOT NULL,
+    "updated_at" TEXT NOT NULL,
+
+    CONSTRAINT "Users_pkey" PRIMARY KEY ("id")
+);

prisma/migrations/migration_lock.toml

@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (i.e. Git)
+provider = "postgresql"

prisma/schema.prisma

@@ -0,0 +1,20 @@
+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+model Users {
+  id          Int     @default(autoincrement()) @id
+  first_name  String
+  last_name   String
+  gender      String?
+  created_at  String
+  updated_at  String
+}

schema.gql

@@ -23,6 +23,10 @@ A date-time string at UTC, such as 2019-12-03T09:54:33Z, compliant with the date
 scalar DateTime
 
 type Query {
-  findAll: [Users]!
-  findOneById(id: ID!): Users!
+  users: [Users!]
+  user(id: ID!): Users
+}
+
+type Mutation {
+  createUser(firstName: String!, lastName: String!): Users
 }

src/prisma.service.ts

@@ -0,0 +1,15 @@
+import { INestApplication, Injectable, OnModuleInit } from '@nestjs/common'
+import { PrismaClient } from '@prisma/client'
+
+@Injectable()
+export class PrismaService extends PrismaClient implements OnModuleInit {
+  async onModuleInit() {
+    await this.$connect()
+  }
+
+  async enableShutdownHooks(app: INestApplication) {
+    this.$on('beforeExit', async () => {
+      await app.close()
+    })
+  }
+}

src/users/users.models.ts

@@ -11,7 +11,7 @@ registerEnumType(Status, {
 
 @ObjectType()
 export class Users {
-  @Field((type) => ID)
+  @Field(() => ID)
   id: string
 
   @Field()
@@ -21,9 +21,9 @@ export class Users {
   lastName: string
 
   @Field({ nullable: true })
-  gender: string
+  gender?: string
 
-  @Field((type) => Status)
+  @Field(() => Status)
   status: Status
 
   @Field()

src/users/users.module.ts

@@ -1,8 +1,9 @@
 import { Module } from '@nestjs/common'
 import { UsersService } from './users.service'
 import { UsersResolver } from './users.resolver'
+import { PrismaService } from 'src/prisma.service'
 
 @Module({
-  providers: [UsersService, UsersResolver]
+  providers: [UsersService, UsersResolver, PrismaService]
 })
 export class UsersModule {}

src/users/users.resolver.ts

@@ -1,18 +1,23 @@
-import { Args, ID, Query, Resolver } from '@nestjs/graphql'
+import { Args, ID, Mutation, Query, Resolver } from '@nestjs/graphql'
 import { Users } from './users.models'
 import { UsersService } from './users.service'
 
-@Resolver()
+@Resolver((of) => Users)
 export class UsersResolver {
   constructor(private usersService: UsersService) {}
 
-  @Query(() => [Users], { nullable: 'items' })
-  findAll() {
+  @Query(() => [Users], { nullable: true })
+  users() {
     return this.usersService.findAll()
   }
 
-  @Query(() => Users)
-  findOneById(@Args('id', { type: () => ID }) id: string) {
+  @Query(() => Users, { nullable: true })
+  user(@Args('id', { type: () => ID }) id: string) {
     return this.usersService.findOneById(id)
   }
+
+  @Mutation(() => Users, { nullable: true })
+  async createUser(@Args('firstName') firstName: string, @Args('lastName') lastName: string) {
+    return this.usersService.create(firstName, lastName)
+  }
 }

src/users/users.service.ts

@@ -1,20 +1,20 @@
-import { Injectable, NotFoundException } from '@nestjs/common'
-import { Status, Users } from './users.models'
+import { Injectable } from '@nestjs/common'
+import dayjs from 'dayjs'
+import { PrismaService } from 'src/prisma.service'
 
 @Injectable()
 export class UsersService {
-  private users: Users[] = [
-    { id: '1', gender: '', firstName: 'aaa', lastName: 'bbb', status: Status.ACTIVE, createdAt: new Date(), updatedAt: new Date() },
-    { id: '2', gender: '', firstName: 'aaa2', lastName: 'bbb2', status: Status.ACTIVE, createdAt: new Date(), updatedAt: new Date() }
-  ]
+  constructor(private prisma: PrismaService) {}
 
-  findAll(): Users[] {
-    return this.users
+  async findAll() {
+    return await this.prisma.users.findMany()
   }
 
-  findOneById(id: string): Users {
-    const result = this.users.find((todo) => id === todo.id)
-    if (!result) throw new NotFoundException()
-    return result
+  async findOneById(id: string) {
+    return await this.prisma.users.findUnique({ where: { id: Number(id) } })
+  }
+
+  async create(firstName: string, lastName: string) {
+    return this.prisma.users.create({ data: { first_name: firstName, last_name: lastName, created_at: dayjs().toString(), updated_at: dayjs().toString() } })
   }
 }

tsconfig.json

@@ -6,7 +6,7 @@
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
     "allowSyntheticDefaultImports": true,
-    "target": "es2017",
+    "target": "es2018",
     "sourceMap": true,
     "outDir": "./dist",
     "baseUrl": "./",
@@ -16,6 +16,8 @@
     "noImplicitAny": false,
     "strictBindCallApply": false,
     "forceConsistentCasingInFileNames": false,
-    "noFallthroughCasesInSwitch": false
+    "noFallthroughCasesInSwitch": false,
+    "lib": ["es2018", "esnext.asynciterable"],
+    "esModuleInterop": true
   }
 }